iphlpapi.dll Error Fix

What is a DLL?

DLL (Dynamic Link Library) files contain computer code and resources that can be used by multiple programs at the same time. This uses less system memory and helps your computer system run more efficiently. DLL files give program developers the ability to reuse code to add features to several programs without the need to write new code for each program.

There are many programs that require DLL files to function properly so when one of them is damaged or missing it will cause program crashes and poor system performance.

What is iphlpapi.dll?

The DLL iphlpapi.dll is commonly known as Internet Protocol (IP) Helper API Library. This module contains the functions used by the Windows IP Helper API developed by Microsoft Corporation.

Internet Protocol is a suite of standard protocol for connecting computers across networks. It enables Windows-based computers to connect and share information with other Microsoft and non-Microsoft systems. The Internet Protocol Helper (IP Helper) API or the module iphlpapi.dll enables the retrieval and modification of network configuration settings for the local computer. The iphlpapi.dll applications are applicable in any computing environment where programmatically manipulating TCP/IP configuration is useful.

Internet Protocol Helper (IP Helper) commonly known as the DLL iphlpapi(3).dll assists network administration of the local computer by enabling applications to retrieve information about the network configuration of the local computer and modify that configuration. The iphlpapi.dll module also provides notification mechanisms to ensure that an application is notified when certain aspects of the local computer network configuration change.

Many of the functions of the application iphlpapi.dll pass structure parameters that represent data types associated with the Management Information Base technology. The DLL iphlpapi.dll uses these structures to represent various networking information such as ARP cache entries. These structures are also used by the MIB API and are described in the Management Information Base Reference. Although the program iphlpapi.dll uses these structures it is distinct from the Management Information Base (MIB) and Simple Network Management Protocol (SNMP).

The module iphlpapi.dll is designed for use by C/C++ programmers. Programmers should familiar with TCP/IP networking concepts.

The iphlpapi.dll program is a public API that provides Windows network configuration and statistics information to Windows 32-bit applications. The Internet Protocol Helper (IP) API exposes many functions and structures to retrieve and modify configuration settings.

Recommended fix if you are experiencing iphlpapi.dll error messages:

DLL files are important parts of your operating system and many programs require them to function. When these files become damaged or are missing it causes poor system performance and system crashes. To fix these problems the user must replace the damaged file with a valid working version. If a working version cannot be found the user may perform a reinstallation of their operating system.

Iphlpapi.dll is created by:

Microsoft Corporation

Known file path:


Click the Download button below to run a free dll scan to find out if you have missing or corrupt dll files on your computer.

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